According to the United States Census Bureau, the CDP has a total area of 0.7 square miles (1.8 km2), all land.

[24] The shopping plaza is influenced by the Spanish-Mediterranean architecture[citation needed] which is notable through the location's tile and stone elements.

The shopping center's creation as well as the location's design is representative of the high Hispanic community and maintained this as its priority throughout its construction and currently in its daily operation.

The plaza fosters community events such as health clinics, and holiday celebrations which are free for all to attend.

Every week, local bands showcase their music and people of all ages come out to dance and enjoy the evening scene.

La Alameda serves as a central shopping and social hub for Walnut Park and surrounding communities' residents.

In 2005 South East High School opened and took a portion of the land in Walnut Park in its attendance boundary.

[27][28] Any student who lives in the Huntington Park or Bell High School zones may apply to Maywood Academy High School; Maywood Academy, which opened in 2005 and moved into its permanent campus in 2006, does not have its own attendance boundary because it lacks American football, track and field, and tennis facilities.

The Los Angeles County Sheriff's Department (LASD) operates the Century Station in Lynwood, serving Walnut Park.

Federally, Walnut Park is located in California's 42nd congressional district, which is represented by Democrat Robert Garcia.